package com.company;

public class Math {

    public static void main(String[] args){
//          Integer x=5;
//          Integer  y=10;
//          System.out.println(x.byteValue());
//          System.out.println(x.floatValue());
//          System.out.println(x.longValue());


//          System.out.println(x.compareTo(y));


//          System.out.println(x.equals(y));


//            System.out.println(Integer.valueOf(9));
//            System.out.println(Double.valueOf(5));
//            System.out.println(Float.valueOf("10"));
//            System.out.println(Integer.valueOf("100",16));


//        System.out.println(x.toString());
//        System.out.println(x.toString(10));


//        System.out.println(Integer.parseInt("9"));
//        System.out.println(Double.parseDouble("9"));
//        System.out.println(Integer.parseInt("9",16));


//          Character
//        char ch = 'a';
//        Character cj= new Character('a');
//        System.out.println(cj);
//        System.out.println(Character.isLetter(ch));
//        System.out.println(Character.isDigit('5'));
//        System.out.println(Character.isWhitespace(' '));
//
//        System.out.println(Character.isUpperCase('c'));
//        System.out.println("访问\"菜鸟\"");


    }

}
